Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.092287] ------------[ cut here ]------------ [ 39.093235] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.095195] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.096637] Modules linked in: [ 39.097265] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.099469] Tainted: [W]=WARN [ 39.100548] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.102012] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.102874] 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 [ 39.106016] RSP: 0018:ffff888016417bc0 EFLAGS: 00010286 [ 39.106938] RAX: 0000000000000000 RBX: ffffed1002c82f78 RCX: ffffffff813a4050 [ 39.108215] RDX: ffff88800f2b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.109483] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c82f2f [ 39.110744] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.112027] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016417df8 [ 39.113301] FS: 00007f80227ee900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.114721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.115777] CR2: 00007ffe484b5ef7 CR3: 000000000b98b000 CR4: 0000000000350ef0 [ 39.117053] Call Trace: [ 39.117512] [ 39.117915] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.118798] ? __create_object+0x59/0x80 [ 39.119588] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.120544] __vmalloc_noprof+0x59/0x60 [ 39.121295] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.122161] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.123100] bpf_prog_alloc+0x39/0x200 [ 39.123783] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.124704] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.125593] do_seccomp+0x349/0x25e0 [ 39.126310] ? find_held_lock+0x2b/0x80 [ 39.127084] ? do_prlimit+0x310/0x610 [ 39.127785] ? __pfx_do_seccomp+0x10/0x10 [ 39.128575] ? do_raw_spin_unlock+0x53/0x220 [ 39.129421] ? _raw_spin_unlock+0x1e/0x40 [ 39.130228] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.131224] ? static_key_count+0x60/0x80 [ 39.132049] prctl_set_seccomp+0x4e/0x70 [ 39.132788] __do_sys_prctl+0xe6c/0x1d70 [ 39.133580] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.134462] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.135454] ? irqentry_exit+0xf3/0x650 [ 39.136248] do_syscall_64+0xbf/0x430 [ 39.136962] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.137965] RIP: 0033:0x7f8022ce05cd [ 39.138685] 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 [ 39.141880] RSP: 002b:00007ffe484b4e90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.143278] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8022ce05cd [ 39.144579] RDX: 000055eeacfbfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.145858] RBP: 00007ffe484b4ef0 R08: 0000000000000000 R09: 00007ffe484b4590 [ 39.147162] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eed6f35ad0 [ 39.148465] R13: 00007ffe484b5320 R14: 000055eed6f36bc0 R15: 000055eed6f47780 [ 39.149764] [ 39.150222] irq event stamp: 1927 [ 39.150830] hardirqs last enabled at (1935): [] __up_console_sem+0x78/0x80 [ 39.152372] hardirqs last disabled at (1944): [] __up_console_sem+0x5d/0x80 [ 39.153906] softirqs last enabled at (1822): [] handle_softirqs+0x50c/0x770 [ 39.155445] softirqs last disabled at (1811): [] __irq_exit_rcu+0xc4/0x100 [ 39.156969] ---[ end trace 0000000000000000 ]--- [ 42.179376] ------------[ cut here ]------------ [ 42.180301] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.182319] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.183802] Modules linked in: [ 42.184667] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.186740] Tainted: [W]=WARN [ 42.187362] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.188837] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.189746] 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 [ 42.192922] RSP: 0018:ffff888016807bc0 EFLAGS: 00010286 [ 42.193893] RAX: 0000000000000000 RBX: ffffed1002d00f78 RCX: ffffffff813a4050 [ 42.195171] RDX: ffff888019c99bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.196453] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d00f2f [ 42.197742] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.199050] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016807df8 [ 42.200360] FS: 00007f5c80e8e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.201792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.202857] CR2: 00007ffdb1525ef7 CR3: 00000000201eb000 CR4: 0000000000350ef0 [ 42.204142] Call Trace: [ 42.204603] [ 42.205052] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.205917] ? __create_object+0x59/0x80 [ 42.206716] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.207711] __vmalloc_noprof+0x59/0x60 [ 42.208468] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.209344] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.210278] bpf_prog_alloc+0x39/0x200 [ 42.210963] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.211904] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.212815] do_seccomp+0x349/0x25e0 [ 42.213530] ? find_held_lock+0x2b/0x80 [ 42.214289] ? do_prlimit+0x310/0x610 [ 42.214974] ? __pfx_do_seccomp+0x10/0x10 [ 42.215782] ? do_raw_spin_unlock+0x53/0x220 [ 42.216621] ? _raw_spin_unlock+0x1e/0x40 [ 42.217393] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.218346] ? static_key_count+0x60/0x80 [ 42.219174] prctl_set_seccomp+0x4e/0x70 [ 42.219902] __do_sys_prctl+0xe6c/0x1d70 [ 42.220683] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.221553] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.222514] ? irqentry_exit+0xf3/0x650 [ 42.223286] do_syscall_64+0xbf/0x430 [ 42.223973] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.224941] RIP: 0033:0x7f5c813805cd [ 42.225661] 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 [ 42.228862] RSP: 002b:00007ffdb1524e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.230244] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c813805cd [ 42.231561] RDX: 0000556e5eb1ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.232881] RBP: 00007ffdb1524e70 R08: 0000000000000000 R09: 00007ffdb1524510 [ 42.234158] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556e68fb8ad0 [ 42.235447] R13: 00007ffdb15252a0 R14: 0000556e68fb9bc0 R15: 0000556e68fca780 [ 42.236737] [ 42.237210] irq event stamp: 1845 [ 42.237822] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 42.239372] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 42.240899] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 42.242449] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 42.243967] ---[ end trace 0000000000000000 ]--- [ 42.921827] ------------[ cut here ]------------ [ 42.922369] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.923508] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.924329] Modules linked in: [ 42.924675] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.925816] Tainted: [W]=WARN [ 42.926171] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.927008] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.927509] 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 [ 42.929320] RSP: 0018:ffff8880172e7bc0 EFLAGS: 00010286 [ 42.929849] RAX: 0000000000000000 RBX: ffffed1002e5cf78 RCX: ffffffff813a4050 [ 42.930584] RDX: ffff888009a8d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.931320] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5cf2f [ 42.932034] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.932709] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172e7df8 [ 42.933455] FS: 00007f19db548900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.934265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.934844] CR2: 00007ffeabba9ef7 CR3: 000000000e977000 CR4: 0000000000350ef0 [ 42.935592] Call Trace: [ 42.935860] [ 42.936112] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.936603] ? __create_object+0x59/0x80 [ 42.937045] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.937571] __vmalloc_noprof+0x59/0x60 [ 42.937980] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.938488] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.939009] bpf_prog_alloc+0x39/0x200 [ 42.939419] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.939919] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.940435] do_seccomp+0x349/0x25e0 [ 42.940818] ? find_held_lock+0x2b/0x80 [ 42.941258] ? do_prlimit+0x310/0x610 [ 42.941664] ? __pfx_do_seccomp+0x10/0x10 [ 42.942115] ? do_raw_spin_unlock+0x53/0x220 [ 42.942558] ? _raw_spin_unlock+0x1e/0x40 [ 42.942973] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.943516] ? static_key_count+0x60/0x80 [ 42.943954] prctl_set_seccomp+0x4e/0x70 [ 42.944395] __do_sys_prctl+0xe6c/0x1d70 [ 42.944811] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.945308] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.945834] ? irqentry_exit+0xf3/0x650 [ 42.946255] do_syscall_64+0xbf/0x430 [ 42.946664] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.947228] RIP: 0033:0x7f19dba3a5cd [ 42.947610] 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 [ 42.949438] RSP: 002b:00007ffeabba8850 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.950237] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19dba3a5cd [ 42.950948] RDX: 0000561fdb88ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.951691] RBP: 00007ffeabba88b0 R08: 0000000000000000 R09: 00007ffeabba7f50 [ 42.952434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561ff7afc2b0 [ 42.953163] R13: 00007ffeabba8ce0 R14: 0000561ff7afed20 R15: 0000561ff7b108d0 [ 42.953879] [ 42.954142] irq event stamp: 1717 [ 42.954489] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 42.955360] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 42.956224] softirqs last enabled at (1240): [] handle_softirqs+0x50c/0x770 [ 42.957102] softirqs last disabled at (1231): [] __irq_exit_rcu+0xc4/0x100 [ 42.957923] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51489' (ECDSA) to the list of known hosts. 2025/11/18 17:52:27 fuzzer started 2025/11/18 17:52:28 dialing manager at localhost:34383 2025/11/18 17:52:28 checking machine... 2025/11/18 17:52:28 checking revisions... [ 43.797584] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:52:28 testing simple program... [ 43.872492] cgroup: Unknown subsys name 'net' [ 43.939956] cgroup: Unknown subsys name 'cpuset' [ 43.962487] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:52:27 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff888009627b68 RDI=ffff88806ce31cd0 RBP=ffff888009620000 RSP=ffff888009627770 R8 =0000000000000001 R9 =ffff888009627830 R10=000000000003c9ed R11=00000000000255ed R12=ffff888009627801 R13=ffff888009627838 R14=ffff888009627b68 R15=ffff8880096277f0 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5c80e53008 CR3=000000000bf84000 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=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=000000000001dc6b 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f047f20c258 CR3=000000000bd54000 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=fd1d9c8aa2902ca61a4f5df1afdc5ec4 XMM02=0000000000305058eff9b2d0a8fce9cb XMM03=00000000003051282c67c8bc2e329bc3 XMM04=f400efc1ac053cfe00000000000ae988 XMM05=1d3cc57a19424a570000000000321c08 XMM06=d74844bf967d85ba0000000000321600 XMM07=e042d86d42eb936e0000000000310fb0 XMM08=b1c6cc18fd4568390000000000305128 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000