syzkaller login: [ 45.717592] ------------[ cut here ]------------ [ 45.718547] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.720601] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 45.722058] Modules linked in: [ 45.722694] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.724922] Tainted: [W]=WARN [ 45.725584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.727073] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.727982] 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 [ 45.731145] RSP: 0018:ffff888018ebfbc0 EFLAGS: 00010286 [ 45.732134] RAX: 0000000000000000 RBX: ffffed10031d7f78 RCX: ffffffff813a4050 [ 45.733408] RDX: ffff888016638000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.734728] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031d7f2f [ 45.736032] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.737328] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018ebfdf8 [ 45.738631] FS: 00007f7ae26bb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.740078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.741139] CR2: 00007ffd489dfef7 CR3: 000000000d87a000 CR4: 0000000000350ef0 [ 45.742446] Call Trace: [ 45.742913] [ 45.743327] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.744221] ? __create_object+0x59/0x80 [ 45.744987] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.745964] __vmalloc_noprof+0x59/0x60 [ 45.746725] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.747593] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.748524] bpf_prog_alloc+0x39/0x200 [ 45.749219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.750153] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.751042] do_seccomp+0x349/0x25e0 [ 45.751743] ? find_held_lock+0x2b/0x80 [ 45.752503] ? do_prlimit+0x310/0x610 [ 45.753204] ? __pfx_do_seccomp+0x10/0x10 [ 45.754003] ? do_raw_spin_unlock+0x53/0x220 [ 45.754838] ? _raw_spin_unlock+0x1e/0x40 [ 45.755630] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.756604] ? static_key_count+0x60/0x80 [ 45.757381] prctl_set_seccomp+0x4e/0x70 [ 45.758188] __do_sys_prctl+0xe6c/0x1d70 [ 45.758973] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.759822] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.760792] ? irqentry_exit+0xf3/0x650 [ 45.761563] do_syscall_64+0xbf/0x430 [ 45.762273] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.763246] RIP: 0033:0x7f7ae2bad5cd [ 45.763949] 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 [ 45.767150] RSP: 002b:00007ffd489de090 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.768516] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ae2bad5cd [ 45.769823] RDX: 000055619bbe3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.771116] RBP: 00007ffd489de0f0 R08: 0000000000000000 R09: 00007ffd489dd790 [ 45.772479] R10: 0000000000000000 R11: 0000000000000246 R12: 00005561bacd12b0 [ 45.773786] R13: 00007ffd489de520 R14: 00005561bacd3d20 R15: 00005561bace58d0 [ 45.775100] [ 45.775577] irq event stamp: 1849 [ 45.776185] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 [ 45.777727] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 45.779253] softirqs last enabled at (1826): [] handle_softirqs+0x50c/0x770 [ 45.780802] softirqs last disabled at (1817): [] __irq_exit_rcu+0xc4/0x100 [ 45.782339] ---[ end trace 0000000000000000 ]--- [ 48.584502] ------------[ cut here ]------------ [ 48.585373] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.587493] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 48.588931] Modules linked in: [ 48.589558] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.591549] Tainted: [W]=WARN [ 48.592092] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.593551] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.594472] 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 [ 48.597624] RSP: 0018:ffff88801699fbc0 EFLAGS: 00010286 [ 48.598614] RAX: 0000000000000000 RBX: ffffed1002d33f78 RCX: ffffffff813a4050 [ 48.599895] RDX: ffff888015c58000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.601166] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d33f2f [ 48.602473] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.603765] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801699fdf8 [ 48.605053] FS: 00007f9b0a9dc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.606514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.607604] CR2: 00007ffcafabdef7 CR3: 000000000dc21000 CR4: 0000000000350ef0 [ 48.608908] Call Trace: [ 48.609376] [ 48.609851] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.610764] ? __create_object+0x59/0x80 [ 48.611557] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.612535] __vmalloc_noprof+0x59/0x60 [ 48.613241] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.614164] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.615085] bpf_prog_alloc+0x39/0x200 [ 48.615826] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.616759] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.617679] do_seccomp+0x349/0x25e0 [ 48.618358] ? find_held_lock+0x2b/0x80 [ 48.619127] ? do_prlimit+0x310/0x610 [ 48.619878] ? __pfx_do_seccomp+0x10/0x10 [ 48.620675] ? do_raw_spin_unlock+0x53/0x220 [ 48.621515] ? _raw_spin_unlock+0x1e/0x40 [ 48.622265] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.623226] ? static_key_count+0x60/0x80 [ 48.624035] prctl_set_seccomp+0x4e/0x70 [ 48.624829] __do_sys_prctl+0xe6c/0x1d70 [ 48.625617] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.626495] ? trace_irq_enable.constprop.0+0x26/0x100 [ 48.627472] do_syscall_64+0xbf/0x430 [ 48.628166] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.629114] RIP: 0033:0x7f9b0aece5cd [ 48.629833] 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 [ 48.632999] RSP: 002b:00007ffcafabc8b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.634382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b0aece5cd [ 48.635681] RDX: 000055dac82e0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.636957] RBP: 00007ffcafabc910 R08: 0000000000000000 R09: 00007ffcafabbfb0 [ 48.638258] R10: 0000000000000000 R11: 0000000000000246 R12: 000055daf9fb2ad0 [ 48.639559] R13: 00007ffcafabcd40 R14: 000055daf9fb3bc0 R15: 000055daf9fc4780 [ 48.640876] [ 48.641305] irq event stamp: 1843 [ 48.641965] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 48.643500] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 48.645017] softirqs last enabled at (1832): [] handle_softirqs+0x50c/0x770 [ 48.646569] softirqs last disabled at (1827): [] __irq_exit_rcu+0xc4/0x100 [ 48.648086] ---[ end trace 0000000000000000 ]--- [ 49.412012] ------------[ cut here ]------------ [ 49.413070] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.415384] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.417088] Modules linked in: [ 49.418076] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.420715] Tainted: [W]=WARN [ 49.421366] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.423083] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.424151] 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 [ 49.427847] RSP: 0018:ffff888017047bc0 EFLAGS: 00010286 [ 49.428981] RAX: 0000000000000000 RBX: ffffed1002e08f78 RCX: ffffffff813a4050 [ 49.430495] RDX: ffff888015433780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.432002] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e08f2f [ 49.433480] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.434982] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017047df8 [ 49.436481] FS: 00007f1f4dc73900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.438141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.439366] CR2: 00007f1f4e165580 CR3: 000000002010d000 CR4: 0000000000350ef0 [ 49.440838] Call Trace: [ 49.441368] [ 49.441920] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.442966] ? __create_object+0x59/0x80 [ 49.443870] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.444997] __vmalloc_noprof+0x59/0x60 [ 49.445894] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.446908] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.447983] bpf_prog_alloc+0x39/0x200 [ 49.448862] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.449962] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.451028] do_seccomp+0x349/0x25e0 [ 49.451860] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.452902] ? __pfx_do_seccomp+0x10/0x10 [ 49.453837] ? find_held_lock+0x2b/0x80 [ 49.454710] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.455801] ? static_key_count+0x60/0x80 [ 49.456718] prctl_set_seccomp+0x4e/0x70 [ 49.457605] __do_sys_prctl+0xe6c/0x1d70 [ 49.458497] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.459280] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.460226] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.461169] ? irqentry_exit+0xf3/0x650 [ 49.461955] do_syscall_64+0xbf/0x430 [ 49.462692] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.463618] RIP: 0033:0x7f1f4e1655cd [ 49.464260] 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 [ 49.467313] RSP: 002b:00007fff8a577580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.468640] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f4e1655cd [ 49.469907] RDX: 0000555b63b0ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.471163] RBP: 00007fff8a5775e0 R08: 0000000000000000 R09: 00007fff8a576c80 [ 49.472402] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555b7bab2bf0 [ 49.473665] R13: 00007fff8a577a10 R14: 0000555b7babc380 R15: 0000555b7bac7460 [ 49.474936] [ 49.475344] irq event stamp: 1863 [ 49.475987] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 49.477472] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 49.478948] softirqs last enabled at (1608): [] handle_softirqs+0x50c/0x770 [ 49.480465] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 49.481945] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9810' (ECDSA) to the list of known hosts. 2025/11/18 05:48:48 fuzzer started 2025/11/18 05:48:48 dialing manager at localhost:37895 2025/11/18 05:48:48 checking machine... 2025/11/18 05:48:48 checking revisions... [ 50.283402] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:48:48 testing simple program... [ 50.371924] cgroup: Unknown subsys name 'net' [ 50.424210] cgroup: Unknown subsys name 'cpuset' [ 50.442740] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:48:47 Registers: info registers vcpu 0 RAX=0000000000042a33 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe3d056ce8 CR3=0000000005c8a000 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=00007f94a1840510000055989c37d790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff87ce3608 RBX=0000000000000200 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880096fc200 RDI=ffff8880096fb780 RBP=ffff8880096fb780 RSP=ffff8880097575f8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff8880096fc200 R15=0000000000000003 RIP=ffffffff815265b1 RFL=00000006 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9b0af91650 CR3=0000000013c87000 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=2037343a38343a353020383120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037343a38343a3530203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000