syzkaller login: [ 47.454481] ------------[ cut here ]------------ [ 47.455388] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.457371] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 47.458833] Modules linked in: [ 47.459433] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 47.461444] Tainted: [W]=WARN [ 47.462032] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.463536] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.464403] 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 [ 47.467561] RSP: 0018:ffff88800aa5fbc0 EFLAGS: 00010286 [ 47.468491] RAX: 0000000000000000 RBX: ffffed100154bf78 RCX: ffffffff813a4050 [ 47.469804] RDX: ffff888016795340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.471089] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100154bf2f [ 47.472369] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.473660] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800aa5fdf8 [ 47.474947] FS: 00007f6f01466900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.476382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.477457] CR2: 00007f6f01958580 CR3: 000000000e68e000 CR4: 0000000000350ef0 [ 47.478739] Call Trace: [ 47.479208] [ 47.479656] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.480495] ? __create_object+0x59/0x80 [ 47.481265] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.482252] __vmalloc_noprof+0x59/0x60 [ 47.483020] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.483876] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.484813] bpf_prog_alloc+0x39/0x200 [ 47.485506] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.486434] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.487325] do_seccomp+0x349/0x25e0 [ 47.488042] ? __pfx_css_rstat_updated+0x10/0x10 [ 47.488940] ? __pfx_do_seccomp+0x10/0x10 [ 47.489721] ? find_held_lock+0x2b/0x80 [ 47.490431] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.491385] ? static_key_count+0x60/0x80 [ 47.492194] prctl_set_seccomp+0x4e/0x70 [ 47.492944] __do_sys_prctl+0xe6c/0x1d70 [ 47.493707] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.494564] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.495477] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.496439] ? irqentry_exit+0xf3/0x650 [ 47.497208] do_syscall_64+0xbf/0x430 [ 47.497953] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.498915] RIP: 0033:0x7f6f019585cd [ 47.499608] 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 [ 47.502761] RSP: 002b:00007ffda6165880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.504110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f019585cd [ 47.505386] RDX: 000055d993879e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.506672] RBP: 00007ffda61658e0 R08: 0000000000000000 R09: 00007ffda6164f80 [ 47.507961] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d99d8c12b0 [ 47.509249] R13: 00007ffda6165d10 R14: 000055d99d8c3d20 R15: 000055d99d8d58d0 [ 47.510575] [ 47.511004] irq event stamp: 1765 [ 47.511643] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 47.513172] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 47.514713] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 47.516256] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 47.517776] ---[ end trace 0000000000000000 ]--- [ 50.812132] ------------[ cut here ]------------ [ 50.813063] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.815142] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 50.816618] Modules linked in: [ 50.817217] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.819460] Tainted: [W]=WARN [ 50.820136] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.821626] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.822559] 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 [ 50.825769] RSP: 0018:ffff888016d6fbc0 EFLAGS: 00010286 [ 50.826769] RAX: 0000000000000000 RBX: ffffed1002dadf78 RCX: ffffffff813a4050 [ 50.828055] RDX: ffff8880141e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.829348] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dadf2f [ 50.830649] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.831946] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d6fdf8 [ 50.833241] FS: 00007fc82db4f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.834708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.835780] CR2: 00007fff6a7e5ef7 CR3: 000000000d038000 CR4: 0000000000350ef0 [ 50.837078] Call Trace: [ 50.837599] [ 50.838013] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.838935] ? __create_object+0x59/0x80 [ 50.839729] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.840706] __vmalloc_noprof+0x59/0x60 [ 50.841427] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.842312] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.843262] bpf_prog_alloc+0x39/0x200 [ 50.844017] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.844914] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.845804] do_seccomp+0x349/0x25e0 [ 50.846479] ? find_held_lock+0x2b/0x80 [ 50.847243] ? do_prlimit+0x310/0x610 [ 50.847999] ? __pfx_do_seccomp+0x10/0x10 [ 50.848783] ? do_raw_spin_unlock+0x53/0x220 [ 50.849616] ? _raw_spin_unlock+0x1e/0x40 [ 50.850352] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.851326] ? static_key_count+0x60/0x80 [ 50.852133] prctl_set_seccomp+0x4e/0x70 [ 50.852918] __do_sys_prctl+0xe6c/0x1d70 [ 50.853709] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.854589] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.855558] ? irqentry_exit+0xf3/0x650 [ 50.856281] do_syscall_64+0xbf/0x430 [ 50.857021] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.857956] RIP: 0033:0x7fc82e0415cd [ 50.858667] 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 [ 50.861847] RSP: 002b:00007fff6a7e4c90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.863229] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc82e0415cd [ 50.864502] RDX: 0000558a2a488e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.865798] RBP: 00007fff6a7e4cf0 R08: 0000000000000000 R09: 00007fff6a7e4390 [ 50.867107] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558a5d589ad0 [ 50.868388] R13: 00007fff6a7e5120 R14: 0000558a5d58abc0 R15: 0000558a5d59b780 [ 50.869679] [ 50.870114] irq event stamp: 1867 [ 50.870761] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 50.872286] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 50.873817] softirqs last enabled at (1826): [] handle_softirqs+0x50c/0x770 [ 50.875353] softirqs last disabled at (1821): [] __irq_exit_rcu+0xc4/0x100 [ 50.876876] ---[ end trace 0000000000000000 ]--- [ 51.694604] ------------[ cut here ]------------ [ 51.695458] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.697440] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 51.698914] Modules linked in: [ 51.699576] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 51.701602] Tainted: [W]=WARN [ 51.702151] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.703629] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.704487] 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 [ 51.707668] RSP: 0018:ffff88801b067bc0 EFLAGS: 00010286 [ 51.708643] RAX: 0000000000000000 RBX: ffffed100360cf78 RCX: ffffffff813a4050 [ 51.709934] RDX: ffff888016df3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.711227] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100360cf2f [ 51.712539] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.713818] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b067df8 [ 51.715117] FS: 00007f8e97457900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.716560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.717640] CR2: 00007ffcb5fb3ef7 CR3: 0000000013989000 CR4: 0000000000350ef0 [ 51.718925] Call Trace: [ 51.719394] [ 51.719841] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.720729] ? __create_object+0x59/0x80 [ 51.721455] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.722427] __vmalloc_noprof+0x59/0x60 [ 51.723169] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.724036] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.724974] bpf_prog_alloc+0x39/0x200 [ 51.725691] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.726643] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.727506] do_seccomp+0x349/0x25e0 [ 51.728221] ? find_held_lock+0x2b/0x80 [ 51.728973] ? do_prlimit+0x310/0x610 [ 51.729713] ? __pfx_do_seccomp+0x10/0x10 [ 51.730464] ? do_raw_spin_unlock+0x53/0x220 [ 51.731299] ? _raw_spin_unlock+0x1e/0x40 [ 51.732077] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.733041] ? static_key_count+0x60/0x80 [ 51.733845] prctl_set_seccomp+0x4e/0x70 [ 51.734641] __do_sys_prctl+0xe6c/0x1d70 [ 51.735376] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.736224] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.737191] ? irqentry_exit+0xf3/0x650 [ 51.737952] do_syscall_64+0xbf/0x430 [ 51.738713] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.739678] RIP: 0033:0x7f8e979495cd [ 51.740336] 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 [ 51.743538] RSP: 002b:00007ffcb5fb1a50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.744888] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e979495cd [ 51.746179] RDX: 000056511c558e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.747482] RBP: 00007ffcb5fb1ab0 R08: 0000000000000000 R09: 00007ffcb5fb1150 [ 51.748777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565152dcdad0 [ 51.750046] R13: 00007ffcb5fb1ee0 R14: 0000565152dcebc0 R15: 0000565152ddf780 [ 51.751365] [ 51.751830] irq event stamp: 1767 [ 51.752438] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 51.753974] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 51.755498] softirqs last enabled at (1798): [] handle_softirqs+0x50c/0x770 [ 51.757062] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 51.758592] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6947' (ECDSA) to the list of known hosts. 2025/11/18 11:20:51 fuzzer started 2025/11/18 11:20:52 dialing manager at localhost:34383 2025/11/18 11:20:52 checking machine... 2025/11/18 11:20:52 checking revisions... [ 52.625923] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:20:52 testing simple program... [ 52.721715] cgroup: Unknown subsys name 'net' [ 52.775423] cgroup: Unknown subsys name 'cpuset' [ 52.791782] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:20:51 Registers: info registers vcpu 0 RAX=0000000000000004 RBX=ffffffff8672a330 RCX=ffffffff81b629ac RDX=0000000000000009 RSI=ffffffff86abed84 RDI=ffffffff8672a2f4 RBP=ffffffff8672a320 RSP=ffff88800aa5f570 R8 =ffffffff86abed84 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000026756 R12=ffffffff8672a344 R13=ffffffff8672a2f4 R14=ffffffff8672a31c R15=dffffc0000000000 RIP=ffffffff8135daa3 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 00007fc82db4f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff6a7de000 CR3=0000000013aa6000 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=000000000002f1ab 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 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb07509d000 CR3=000000000dec8000 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=a7cff40b8f858894194a21e0093f514a XMM02=0000000000308218ec2efd57dc4c00df XMM03=00000000003148d05dc4e476e91b1301 XMM04=bf7eadea002016d400000000000ae988 XMM05=736cde0319d196b70000000000324c00 XMM06=d74844bf967d85ba0000000000323930 XMM07=e042d86d42eb936e0000000000314ba8 XMM08=5dc4e476e91b13010000000000308278 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000