syzkaller login: [ 39.039462] ------------[ cut here ]------------ [ 39.040391] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.042452] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.043863] Modules linked in: [ 39.044522] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.046458] Tainted: [W]=WARN [ 39.047029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.048445] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.049329] 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 [ 39.052388] RSP: 0018:ffff88801874fbc0 EFLAGS: 00010286 [ 39.053323] RAX: 0000000000000000 RBX: ffffed10030e9f78 RCX: ffffffff813a4050 [ 39.054558] RDX: ffff8880184b8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.055786] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030e9f2f [ 39.057040] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.058272] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801874fdf8 [ 39.059508] FS: 00007f6f1b317900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.060925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.061991] CR2: 00007ffc40abdef8 CR3: 000000000d50d000 CR4: 0000000000350ef0 [ 39.063238] Call Trace: [ 39.063688] [ 39.064135] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.065004] ? __create_object+0x59/0x80 [ 39.065724] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.066657] __vmalloc_noprof+0x59/0x60 [ 39.067386] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.068237] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.069154] bpf_prog_alloc+0x39/0x200 [ 39.069815] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.070711] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.071568] do_seccomp+0x349/0x25e0 [ 39.072501] ? find_held_lock+0x2b/0x80 [ 39.073286] ? do_prlimit+0x310/0x610 [ 39.074027] ? __pfx_do_seccomp+0x10/0x10 [ 39.074766] ? do_raw_spin_unlock+0x53/0x220 [ 39.075600] ? _raw_spin_unlock+0x1e/0x40 [ 39.076399] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.077352] ? static_key_count+0x60/0x80 [ 39.078141] prctl_set_seccomp+0x4e/0x70 [ 39.078861] __do_sys_prctl+0xe6c/0x1d70 [ 39.079649] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.080522] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.081477] ? irqentry_exit+0xf3/0x650 [ 39.082382] do_syscall_64+0xbf/0x430 [ 39.083344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.084608] RIP: 0033:0x7f6f1b8095cd [ 39.085540] 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 [ 39.088987] RSP: 002b:00007ffc40abc010 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.090388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f1b8095cd [ 39.091706] RDX: 000055913845ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.093072] RBP: 00007ffc40abc070 R08: 0000000000000000 R09: 00007ffc40abb710 [ 39.094517] R10: 0000000000000000 R11: 0000000000000246 R12: 000055915e269ad0 [ 39.095808] R13: 00007ffc40abc4a0 R14: 000055915e26abc0 R15: 000055915e27b780 [ 39.097173] [ 39.097592] irq event stamp: 1789 [ 39.098256] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 39.099796] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 39.101382] softirqs last enabled at (1822): [] handle_softirqs+0x50c/0x770 [ 39.102939] softirqs last disabled at (1817): [] __irq_exit_rcu+0xc4/0x100 [ 39.104508] ---[ end trace 0000000000000000 ]--- [ 42.008500] ------------[ cut here ]------------ [ 42.009419] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.011464] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.012946] Modules linked in: [ 42.013556] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.015740] Tainted: [W]=WARN [ 42.016438] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.017931] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.018834] 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 [ 42.022017] RSP: 0018:ffff8880187dfbc0 EFLAGS: 00010286 [ 42.022955] RAX: 0000000000000000 RBX: ffffed10030fbf78 RCX: ffffffff813a4050 [ 42.024422] RDX: ffff8880187b0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.025808] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030fbf2f [ 42.027088] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.028405] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880187dfdf8 [ 42.029684] FS: 00007fd894dbc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.031095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.032181] CR2: 00007ffebe542ef8 CR3: 0000000020111000 CR4: 0000000000350ef0 [ 42.033462] Call Trace: [ 42.033924] [ 42.034375] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.035260] ? __create_object+0x59/0x80 [ 42.036069] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.037045] __vmalloc_noprof+0x59/0x60 [ 42.037756] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.038630] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.039558] bpf_prog_alloc+0x39/0x200 [ 42.040334] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.041263] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.042180] do_seccomp+0x349/0x25e0 [ 42.042857] ? find_held_lock+0x2b/0x80 [ 42.043605] ? do_prlimit+0x310/0x610 [ 42.044376] ? __pfx_do_seccomp+0x10/0x10 [ 42.045154] ? do_raw_spin_unlock+0x53/0x220 [ 42.045931] ? _raw_spin_unlock+0x1e/0x40 [ 42.046707] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.047673] ? static_key_count+0x60/0x80 [ 42.048512] prctl_set_seccomp+0x4e/0x70 [ 42.049281] __do_sys_prctl+0xe6c/0x1d70 [ 42.050061] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.050864] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.051818] ? irqentry_exit+0xf3/0x650 [ 42.052622] do_syscall_64+0xbf/0x430 [ 42.053350] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.054302] RIP: 0033:0x7fd8952ae5cd [ 42.054953] 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 [ 42.058161] RSP: 002b:00007ffebe541580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.059517] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8952ae5cd [ 42.060818] RDX: 0000561a17711e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.062078] RBP: 00007ffebe5415e0 R08: 0000000000000000 R09: 00007ffebe540c80 [ 42.063354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a30adcbf0 [ 42.064474] R13: 00007ffebe541a10 R14: 0000561a30ae6380 R15: 0000561a30af1460 [ 42.065299] [ 42.065571] irq event stamp: 1791 [ 42.065953] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 42.066927] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.067896] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 42.068825] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 42.069682] ---[ end trace 0000000000000000 ]--- [ 42.792775] ------------[ cut here ]------------ [ 42.793676] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.795681] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 42.797173] Modules linked in: [ 42.797777] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.800041] Tainted: [W]=WARN [ 42.800612] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.802132] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.803043] 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 [ 42.806234] RSP: 0018:ffff88800f187bc0 EFLAGS: 00010286 [ 42.807211] RAX: 0000000000000000 RBX: ffffed1001e30f78 RCX: ffffffff813a4050 [ 42.808520] RDX: ffff88801a509bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.809812] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e30f2f [ 42.811112] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.812404] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f187df8 [ 42.813681] FS: 00007fbf4cd6c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.815121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.816197] CR2: 00007ffde95eeef8 CR3: 000000002005b000 CR4: 0000000000350ef0 [ 42.817478] Call Trace: [ 42.817942] [ 42.818394] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.819301] ? __create_object+0x59/0x80 [ 42.820084] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.821062] __vmalloc_noprof+0x59/0x60 [ 42.821775] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.822647] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.823584] bpf_prog_alloc+0x39/0x200 [ 42.824340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.825292] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.826200] do_seccomp+0x349/0x25e0 [ 42.826871] ? find_held_lock+0x2b/0x80 [ 42.827645] ? do_prlimit+0x310/0x610 [ 42.828411] ? __pfx_do_seccomp+0x10/0x10 [ 42.829202] ? do_raw_spin_unlock+0x53/0x220 [ 42.830046] ? _raw_spin_unlock+0x1e/0x40 [ 42.830781] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.831752] ? static_key_count+0x60/0x80 [ 42.832572] prctl_set_seccomp+0x4e/0x70 [ 42.833377] __do_sys_prctl+0xe6c/0x1d70 [ 42.834157] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.835019] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.836025] ? irqentry_exit+0xf3/0x650 [ 42.836760] do_syscall_64+0xbf/0x430 [ 42.837520] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.838483] RIP: 0033:0x7fbf4d25e5cd [ 42.839188] 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 [ 42.842366] RSP: 002b:00007ffde95edd60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.843731] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbf4d25e5cd [ 42.845040] RDX: 00005568c549fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.846319] RBP: 00007ffde95eddc0 R08: 0000000000000000 R09: 00007ffde95ed460 [ 42.847608] R10: 0000000000000000 R11: 0000000000000246 R12: 00005568f79d3b10 [ 42.848912] R13: 00007ffde95ee1f0 R14: 00005568f79d42b0 R15: 00005568f79e86f0 [ 42.850230] [ 42.850659] irq event stamp: 1749 [ 42.851312] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 42.852878] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 42.854403] softirqs last enabled at (1624): [] handle_softirqs+0x50c/0x770 [ 42.855993] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 42.857529] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55511' (ECDSA) to the list of known hosts. 2025/11/17 17:53:46 fuzzer started 2025/11/17 17:53:46 dialing manager at localhost:37895 2025/11/17 17:53:46 checking machine... 2025/11/17 17:53:46 checking revisions... [ 43.701649] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:53:46 testing simple program... [ 43.783202] cgroup: Unknown subsys name 'net' [ 43.845051] cgroup: Unknown subsys name 'cpuset' [ 43.862506] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:53:45 Registers: info registers vcpu 0 RAX=ffff888020181640 RBX=ffff8880096c78c0 RCX=0000000000000000 RDX=000000000000000b RSI=0000000000000140 RDI=ffff8880096c78c0 RBP=0000000000000006 RSP=ffff88801758f9d0 R8 =0000000000000006 R9 =0000000000000000 R10=ffff888020181728 R11=0000000000000001 R12=ffffea0000806040 R13=ffff888020181640 R14=00000000000c0000 R15=00000000ffffffff RIP=ffffffff81aad002 RFL=00000206 [-----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 00007fd894dbc900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffebe53b000 CR3=000000000ce18000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000025935 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=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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe7334086f8 CR3=000000000cdb7000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000