Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.152070] ------------[ cut here ]------------ [ 39.152993] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.155004] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.156544] Modules linked in: [ 39.157196] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.159191] Tainted: [W]=WARN [ 39.159818] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.161309] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.162243] 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 [ 39.165425] RSP: 0018:ffff888017987bc0 EFLAGS: 00010286 [ 39.166399] RAX: 0000000000000000 RBX: ffffed1002f30f78 RCX: ffffffff813a4050 [ 39.167699] RDX: ffff88800a090000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.169014] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f30f2f [ 39.170275] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.171561] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017987df8 [ 39.172839] FS: 00007fc11cb10900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.174275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.175346] CR2: 00007ffc42770ef7 CR3: 00000000099fc000 CR4: 0000000000350ef0 [ 39.176614] Call Trace: [ 39.177118] [ 39.177528] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.178427] ? __create_object+0x59/0x80 [ 39.179214] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.180190] __vmalloc_noprof+0x59/0x60 [ 39.180946] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.181824] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.182712] bpf_prog_alloc+0x39/0x200 [ 39.183449] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.184367] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.185260] do_seccomp+0x349/0x25e0 [ 39.185968] ? find_held_lock+0x2b/0x80 [ 39.186667] ? do_prlimit+0x310/0x610 [ 39.187408] ? __pfx_do_seccomp+0x10/0x10 [ 39.188187] ? do_raw_spin_unlock+0x53/0x220 [ 39.188998] ? _raw_spin_unlock+0x1e/0x40 [ 39.189761] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.190665] ? static_key_count+0x60/0x80 [ 39.191460] prctl_set_seccomp+0x4e/0x70 [ 39.192234] __do_sys_prctl+0xe6c/0x1d70 [ 39.193012] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.193861] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.194825] ? irqentry_exit+0xf3/0x650 [ 39.195541] do_syscall_64+0xbf/0x430 [ 39.196273] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.197211] RIP: 0033:0x7fc11d0025cd [ 39.197940] 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 [ 39.201252] RSP: 002b:00007ffc4276e780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.202638] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc11d0025cd [ 39.203922] RDX: 000055fd980b3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.205217] RBP: 00007ffc4276e7e0 R08: 0000000000000000 R09: 00007ffc4276de80 [ 39.206506] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fdad55fad0 [ 39.207814] R13: 00007ffc4276ec10 R14: 000055fdad560bc0 R15: 000055fdad571780 [ 39.209127] [ 39.209557] irq event stamp: 1871 [ 39.210214] hardirqs last enabled at (1881): [] __up_console_sem+0x78/0x80 [ 39.211765] hardirqs last disabled at (1890): [] __up_console_sem+0x5d/0x80 [ 39.213116] softirqs last enabled at (1810): [] handle_softirqs+0x50c/0x770 [ 39.214402] softirqs last disabled at (1805): [] __irq_exit_rcu+0xc4/0x100 [ 39.215669] ---[ end trace 0000000000000000 ]--- [ 41.924248] ------------[ cut here ]------------ [ 41.925299] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.927599] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.930598] Modules linked in: [ 41.931614] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.933905] Tainted: [W]=WARN [ 41.934538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.936257] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.937321] 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 [ 41.941027] RSP: 0018:ffff888017127bc0 EFLAGS: 00010286 [ 41.942165] RAX: 0000000000000000 RBX: ffffed1002e24f78 RCX: ffffffff813a4050 [ 41.943656] RDX: ffff8880173f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.945144] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e24f2f [ 41.946616] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.948115] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017127df8 [ 41.949595] FS: 00007f7f6c838900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.951273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.952526] CR2: 00007f7f6cd9e4a6 CR3: 000000000e003000 CR4: 0000000000350ef0 [ 41.954010] Call Trace: [ 41.954544] [ 41.955075] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.956128] ? __create_object+0x59/0x80 [ 41.957032] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.958162] __vmalloc_noprof+0x59/0x60 [ 41.959041] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.960072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.961158] bpf_prog_alloc+0x39/0x200 [ 41.962012] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.963094] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.964049] do_seccomp+0x349/0x25e0 [ 41.964760] ? find_held_lock+0x2b/0x80 [ 41.965462] ? do_prlimit+0x310/0x610 [ 41.966202] ? __pfx_do_seccomp+0x10/0x10 [ 41.966979] ? do_raw_spin_unlock+0x53/0x220 [ 41.967797] ? _raw_spin_unlock+0x1e/0x40 [ 41.968520] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.969473] ? static_key_count+0x60/0x80 [ 41.970257] prctl_set_seccomp+0x4e/0x70 [ 41.971022] __do_sys_prctl+0xe6c/0x1d70 [ 41.971822] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.972624] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.973562] ? irqentry_exit+0xf3/0x650 [ 41.974300] do_syscall_64+0xbf/0x430 [ 41.975040] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.976005] RIP: 0033:0x7f7f6cd2a5cd [ 41.976640] 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 [ 41.979742] RSP: 002b:00007ffe8f8a2050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.981076] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7f6cd2a5cd [ 41.982334] RDX: 0000555ce40a6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.983594] RBP: 00007ffe8f8a20b0 R08: 0000000000000000 R09: 00007ffe8f8a1750 [ 41.984861] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555cf0f92ad0 [ 41.986124] R13: 00007ffe8f8a24e0 R14: 0000555cf0f93bc0 R15: 0000555cf0fa4780 [ 41.987411] [ 41.987875] irq event stamp: 2101 [ 41.988467] hardirqs last enabled at (2109): [] __up_console_sem+0x78/0x80 [ 41.989971] hardirqs last disabled at (2118): [] __up_console_sem+0x5d/0x80 [ 41.991474] softirqs last enabled at (1956): [] handle_softirqs+0x50c/0x770 [ 41.992787] softirqs last disabled at (1951): [] __irq_exit_rcu+0xc4/0x100 [ 41.993675] ---[ end trace 0000000000000000 ]--- [ 42.788001] ------------[ cut here ]------------ [ 42.788941] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.790945] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.792443] Modules linked in: [ 42.793083] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.795039] Tainted: [W]=WARN [ 42.795591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.797033] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.797924] 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 [ 42.801040] RSP: 0018:ffff888016f47bc0 EFLAGS: 00010286 [ 42.802000] RAX: 0000000000000000 RBX: ffffed1002de8f78 RCX: ffffffff813a4050 [ 42.803266] RDX: ffff88800d813780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.804552] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de8f2f [ 42.805825] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.807088] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f47df8 [ 42.808367] FS: 00007f2935c77900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.809780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.810832] CR2: 00007ffd0e9ecef7 CR3: 0000000020334000 CR4: 0000000000350ef0 [ 42.812119] Call Trace: [ 42.812581] [ 42.813033] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.813918] ? __create_object+0x59/0x80 [ 42.814640] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.815611] __vmalloc_noprof+0x59/0x60 [ 42.816364] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.817236] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.818158] bpf_prog_alloc+0x39/0x200 [ 42.818882] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.819821] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.820665] do_seccomp+0x349/0x25e0 [ 42.821386] ? find_held_lock+0x2b/0x80 [ 42.822126] ? do_prlimit+0x310/0x610 [ 42.822846] ? __pfx_do_seccomp+0x10/0x10 [ 42.823596] ? do_raw_spin_unlock+0x53/0x220 [ 42.824423] ? _raw_spin_unlock+0x1e/0x40 [ 42.825197] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.826151] ? static_key_count+0x60/0x80 [ 42.826937] prctl_set_seccomp+0x4e/0x70 [ 42.827672] __do_sys_prctl+0xe6c/0x1d70 [ 42.828453] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.829302] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.830253] ? irqentry_exit+0xf3/0x650 [ 42.831002] do_syscall_64+0xbf/0x430 [ 42.831695] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.832642] RIP: 0033:0x7f29361695cd [ 42.833346] 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 [ 42.836465] RSP: 002b:00007ffd0e9ea410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.837816] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f29361695cd [ 42.839092] RDX: 000055a9caa20e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.840371] RBP: 00007ffd0e9ea470 R08: 0000000000000000 R09: 00007ffd0e9e9b10 [ 42.841629] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a9e7e43ad0 [ 42.842886] R13: 00007ffd0e9ea8a0 R14: 000055a9e7e44bc0 R15: 000055a9e7e55780 [ 42.844182] [ 42.844600] irq event stamp: 1743 [ 42.845254] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 42.846763] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 42.848270] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 42.849790] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 42.851284] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:30935' (ECDSA) to the list of known hosts. 2025/11/17 14:49:12 fuzzer started 2025/11/17 14:49:12 dialing manager at localhost:37895 2025/11/17 14:49:12 checking machine... 2025/11/17 14:49:12 checking revisions... [ 43.816458] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:49:12 testing simple program... [ 43.901817] cgroup: Unknown subsys name 'net' [ 43.969110] cgroup: Unknown subsys name 'cpuset' [ 43.982207] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:49:11 Registers: info registers vcpu 0 RAX=ffff88800d5a9648 RBX=ffff888009627cb8 RCX=ffff888009627c04 RDX=1ffff110012c4f97 RSI=ffffffff85e1fec0 RDI=ffff888009627cb8 RBP=ffff88800d5a91a8 RSP=ffff888009627c28 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000000 R12=0000000000000006 R13=ffff888009627cb8 R14=ffffffff815d6b03 R15=0000000000000005 RIP=ffffffff815dcacd RFL=00000286 [--S--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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe8f89c000 CR3=0000000020083000 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=6720646572637465733a4d41503d706f 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=000000000001e4e5 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=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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007efcdd1ad418 CR3=000000000ce56000 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=39343a343120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323434 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000