syzkaller login: [ 39.066697] ------------[ cut here ]------------ [ 39.067615] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.069558] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.071005] Modules linked in: [ 39.071640] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.073833] Tainted: [W]=WARN [ 39.074490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.075962] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.076865] 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 [ 39.080000] RSP: 0018:ffff88801a61fbc0 EFLAGS: 00010286 [ 39.080964] RAX: 0000000000000000 RBX: ffffed10034c3f78 RCX: ffffffff813a4050 [ 39.082227] RDX: ffff88801711b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.083533] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034c3f2f [ 39.084815] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.086084] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a61fdf8 [ 39.087353] FS: 00007ff8a22be900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.088763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.089814] CR2: 00007fffad53eef8 CR3: 0000000013ed5000 CR4: 0000000000350ef0 [ 39.091068] Call Trace: [ 39.091574] [ 39.091979] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.092868] ? __create_object+0x59/0x80 [ 39.093667] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.094635] __vmalloc_noprof+0x59/0x60 [ 39.095412] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.096234] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.097172] bpf_prog_alloc+0x39/0x200 [ 39.097909] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.098846] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.099745] do_seccomp+0x349/0x25e0 [ 39.100464] ? find_held_lock+0x2b/0x80 [ 39.101165] ? do_prlimit+0x310/0x610 [ 39.101900] ? __pfx_do_seccomp+0x10/0x10 [ 39.102665] ? do_raw_spin_unlock+0x53/0x220 [ 39.103504] ? _raw_spin_unlock+0x1e/0x40 [ 39.104227] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.105189] ? static_key_count+0x60/0x80 [ 39.105981] prctl_set_seccomp+0x4e/0x70 [ 39.106740] __do_sys_prctl+0xe6c/0x1d70 [ 39.107519] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.108360] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.109297] ? irqentry_exit+0xf3/0x650 [ 39.109994] do_syscall_64+0xbf/0x430 [ 39.110713] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.111641] RIP: 0033:0x7ff8a27b05cd [ 39.112325] 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 [ 39.115438] RSP: 002b:00007fffad53dbb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.116763] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8a27b05cd [ 39.118032] RDX: 0000557038057e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.119284] RBP: 00007fffad53dc10 R08: 0000000000000000 R09: 00007fffad53d2b0 [ 39.120553] R10: 0000000000000000 R11: 0000000000000246 R12: 000055704e9afbf0 [ 39.121810] R13: 00007fffad53e040 R14: 000055704e9b9380 R15: 000055704e9c4460 [ 39.123073] [ 39.123542] irq event stamp: 1809 [ 39.124133] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 39.125620] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 39.127100] softirqs last enabled at (1394): [] handle_softirqs+0x50c/0x770 [ 39.128623] softirqs last disabled at (1389): [] __irq_exit_rcu+0xc4/0x100 [ 39.130099] ---[ end trace 0000000000000000 ]--- [ 41.859362] ------------[ cut here ]------------ [ 41.859777] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.860769] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.861495] Modules linked in: [ 41.861750] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.862663] Tainted: [W]=WARN [ 41.862899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.863551] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.863925] 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 [ 41.865259] RSP: 0018:ffff888017507bc0 EFLAGS: 00010286 [ 41.865657] RAX: 0000000000000000 RBX: ffffed1002ea0f78 RCX: ffffffff813a4050 [ 41.866175] RDX: ffff88801674d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.866713] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea0f2f [ 41.867252] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.867790] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017507df8 [ 41.868336] FS: 00007f9a2c0fd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.868929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.869373] CR2: 00007f9a2c6634a6 CR3: 000000001fb58000 CR4: 0000000000350ef0 [ 41.869897] Call Trace: [ 41.870093] [ 41.870284] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.870646] ? __create_object+0x59/0x80 [ 41.870959] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.871376] __vmalloc_noprof+0x59/0x60 [ 41.871690] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.872046] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.872441] bpf_prog_alloc+0x39/0x200 [ 41.872734] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.873344] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.873709] do_seccomp+0x349/0x25e0 [ 41.873993] ? find_held_lock+0x2b/0x80 [ 41.874311] ? do_prlimit+0x310/0x610 [ 41.874609] ? __pfx_do_seccomp+0x10/0x10 [ 41.875058] ? do_raw_spin_unlock+0x53/0x220 [ 41.875430] ? _raw_spin_unlock+0x1e/0x40 [ 41.875748] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.876133] ? static_key_count+0x60/0x80 [ 41.876470] prctl_set_seccomp+0x4e/0x70 [ 41.876779] __do_sys_prctl+0xe6c/0x1d70 [ 41.877088] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.877447] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.877836] ? irqentry_exit+0xf3/0x650 [ 41.878145] do_syscall_64+0xbf/0x430 [ 41.878459] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.878842] RIP: 0033:0x7f9a2c5ef5cd [ 41.879120] 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 [ 41.880480] RSP: 002b:00007fff249deff0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.881035] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a2c5ef5cd [ 41.881576] RDX: 0000559fe5576e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.882100] RBP: 00007fff249df050 R08: 0000000000000000 R09: 00007fff249de6f0 [ 41.882638] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a00ab3bad0 [ 41.883161] R13: 00007fff249df480 R14: 000055a00ab3cbc0 R15: 000055a00ab4d780 [ 41.883727] [ 41.883914] irq event stamp: 1845 [ 41.884171] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 41.884816] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 41.885459] softirqs last enabled at (1424): [] handle_softirqs+0x50c/0x770 [ 41.886094] softirqs last disabled at (1401): [] __irq_exit_rcu+0xc4/0x100 [ 41.886732] ---[ end trace 0000000000000000 ]--- [ 42.443365] ------------[ cut here ]------------ [ 42.444293] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.446238] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.447729] Modules linked in: [ 42.448580] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.450605] Tainted: [W]=WARN [ 42.451157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.452662] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.453573] 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 [ 42.456719] RSP: 0018:ffff888017197bc0 EFLAGS: 00010286 [ 42.457679] RAX: 0000000000000000 RBX: ffffed1002e32f78 RCX: ffffffff813a4050 [ 42.458937] RDX: ffff8880197e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.460220] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e32f2f [ 42.461492] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.462763] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017197df8 [ 42.464056] FS: 00007f4893008900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.465445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.466480] CR2: 00007ffdfc854ef8 CR3: 000000002015e000 CR4: 0000000000350ef0 [ 42.467767] Call Trace: [ 42.468220] [ 42.468655] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.469531] ? __create_object+0x59/0x80 [ 42.470300] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.471193] __vmalloc_noprof+0x59/0x60 [ 42.471974] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.472828] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.473737] bpf_prog_alloc+0x39/0x200 [ 42.474450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.475364] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.476290] do_seccomp+0x349/0x25e0 [ 42.476950] ? find_held_lock+0x2b/0x80 [ 42.477697] ? do_prlimit+0x310/0x610 [ 42.478425] ? __pfx_do_seccomp+0x10/0x10 [ 42.479153] ? do_raw_spin_unlock+0x53/0x220 [ 42.479999] ? _raw_spin_unlock+0x1e/0x40 [ 42.480758] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.481688] ? static_key_count+0x60/0x80 [ 42.482473] prctl_set_seccomp+0x4e/0x70 [ 42.483189] __do_sys_prctl+0xe6c/0x1d70 [ 42.483985] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.484832] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.485770] ? irqentry_exit+0xf3/0x650 [ 42.486527] do_syscall_64+0xbf/0x430 [ 42.487213] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.488175] RIP: 0033:0x7f48934fa5cd [ 42.488866] 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 [ 42.491996] RSP: 002b:00007ffdfc852cc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.493342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f48934fa5cd [ 42.494595] RDX: 00005647e861be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.495886] RBP: 00007ffdfc852d20 R08: 0000000000000000 R09: 00007ffdfc8523c0 [ 42.497131] R10: 0000000000000000 R11: 0000000000000246 R12: 000056480f2bcad0 [ 42.498380] R13: 00007ffdfc853150 R14: 000056480f2bdbc0 R15: 000056480f2ce780 [ 42.499698] [ 42.500120] irq event stamp: 1903 [ 42.500757] hardirqs last enabled at (1913): [] __up_console_sem+0x78/0x80 [ 42.502259] hardirqs last disabled at (1922): [] __up_console_sem+0x5d/0x80 [ 42.503799] softirqs last enabled at (1440): [] handle_softirqs+0x50c/0x770 [ 42.505317] softirqs last disabled at (1435): [] __irq_exit_rcu+0xc4/0x100 [ 42.506807] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29172' (ECDSA) to the list of known hosts. 2025/11/18 14:02:23 fuzzer started 2025/11/18 14:02:24 dialing manager at localhost:34383 2025/11/18 14:02:24 checking machine... 2025/11/18 14:02:24 checking revisions... [ 43.345779] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:02:24 testing simple program... [ 43.435680] cgroup: Unknown subsys name 'net' [ 43.498064] cgroup: Unknown subsys name 'cpuset' [ 43.511016] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:02:23 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88801767dc00 RCX=ffffffff81b8a93f RDX=1ffffffff0a80846 RSI=ffffffff81b8abe1 RDI=ffffffff85404230 RBP=ffff8880170cfd88 RSP=ffff8880170cfd40 R8 =0000000000000001 R9 =ffffed1002ecfbac R10=0000000000000002 R11=0000000000000001 R12=0000000004020003 R13=ffff8880170cfdd0 R14=ffffffff85404200 R15=0000000000000002 RIP=ffffffff81751e00 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 00007f9a2c0fd900 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=00007fff249d9000 CR3=000000000a0e1000 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 info registers vcpu 1 RAX=00000000000262b5 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=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 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffce86c2938 CR3=000000000e2ff000 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=a8bf14e16460b996654b54973d711779 XMM02=00000000003070c8ec2efd57dc4c00df XMM03=00000000003101a837403e9fc4a4280c XMM04=de3d26adabf8bb5a00000000000ae988 XMM05=2acc1020f2eb62d700000000003210b0 XMM06=474038aa6c007e1f0000000000320d38 XMM07=e042d86d42eb936e0000000000310428 XMM08=37403e9fc4a4280c0000000000307128 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000