Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.083881] ------------[ cut here ]------------ [ 46.084772] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.086739] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.088219] Modules linked in: [ 46.088843] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.090834] Tainted: [W]=WARN [ 46.091389] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.092880] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.093818] 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 [ 46.096960] RSP: 0018:ffff8880170f7bc0 EFLAGS: 00010286 [ 46.097955] RAX: 0000000000000000 RBX: ffffed1002e1ef78 RCX: ffffffff813a4050 [ 46.099218] RDX: ffff888015a88000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.100508] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e1ef2f [ 46.101791] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.103068] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170f7df8 [ 46.104366] FS: 00007f5077f8f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.105812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.106875] CR2: 00007f50784f54a6 CR3: 0000000013dc4000 CR4: 0000000000350ef0 [ 46.108156] Call Trace: [ 46.108672] [ 46.109080] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.109995] ? __create_object+0x59/0x80 [ 46.110763] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.111720] __vmalloc_noprof+0x59/0x60 [ 46.112440] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.113326] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.114249] bpf_prog_alloc+0x39/0x200 [ 46.114973] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.115906] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.116804] do_seccomp+0x349/0x25e0 [ 46.117496] ? find_held_lock+0x2b/0x80 [ 46.118260] ? do_prlimit+0x310/0x610 [ 46.118980] ? __pfx_do_seccomp+0x10/0x10 [ 46.119759] ? do_raw_spin_unlock+0x53/0x220 [ 46.120538] ? _raw_spin_unlock+0x1e/0x40 [ 46.121319] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.122288] ? static_key_count+0x60/0x80 [ 46.123083] prctl_set_seccomp+0x4e/0x70 [ 46.123868] __do_sys_prctl+0xe6c/0x1d70 [ 46.124663] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.125475] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.126450] ? irqentry_exit+0xf3/0x650 [ 46.127206] do_syscall_64+0xbf/0x430 [ 46.127933] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.128871] RIP: 0033:0x7f50784815cd [ 46.129540] 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 [ 46.132695] RSP: 002b:00007fff2a306050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.134065] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50784815cd [ 46.135327] RDX: 0000556084133e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.136604] RBP: 00007fff2a3060b0 R08: 0000000000000000 R09: 00007fff2a305750 [ 46.137898] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556095cca2b0 [ 46.139178] R13: 00007fff2a3064e0 R14: 0000556095cccd20 R15: 0000556095cde8d0 [ 46.140465] [ 46.140931] irq event stamp: 1733 [ 46.141552] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 46.143072] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 46.144598] softirqs last enabled at (1604): [] handle_softirqs+0x50c/0x770 [ 46.146147] softirqs last disabled at (1599): [] __irq_exit_rcu+0xc4/0x100 [ 46.147400] ---[ end trace 0000000000000000 ]--- [ 49.207018] ------------[ cut here ]------------ [ 49.207824] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.209693] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.210908] Modules linked in: [ 49.211408] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.213058] Tainted: [W]=WARN [ 49.213555] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.214785] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.215521] 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 [ 49.218446] RSP: 0018:ffff88801a77fbc0 EFLAGS: 00010286 [ 49.219418] RAX: 0000000000000000 RBX: ffffed10034eff78 RCX: ffffffff813a4050 [ 49.220490] RDX: ffff888015a2d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.221586] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034eff2f [ 49.222667] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.223742] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a77fdf8 [ 49.224818] FS: 00007eff4d6e3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.226045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.226929] CR2: 00007eff4dbd5580 CR3: 0000000013cdd000 CR4: 0000000000350ef0 [ 49.227999] Call Trace: [ 49.228384] [ 49.228765] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.229507] ? __create_object+0x59/0x80 [ 49.230170] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.230973] __vmalloc_noprof+0x59/0x60 [ 49.231567] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.232292] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.233071] bpf_prog_alloc+0x39/0x200 [ 49.233704] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.234445] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.235213] do_seccomp+0x349/0x25e0 [ 49.235804] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.236504] ? __pfx_do_seccomp+0x10/0x10 [ 49.237161] ? find_held_lock+0x2b/0x80 [ 49.237820] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.238628] ? static_key_count+0x60/0x80 [ 49.239264] prctl_set_seccomp+0x4e/0x70 [ 49.239935] __do_sys_prctl+0xe6c/0x1d70 [ 49.240553] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.241272] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.242124] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.242924] ? irqentry_exit+0xf3/0x650 [ 49.243525] do_syscall_64+0xbf/0x430 [ 49.244139] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.244931] RIP: 0033:0x7eff4dbd55cd [ 49.245504] 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 [ 49.248183] RSP: 002b:00007ffc7933d2e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.249353] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff4dbd55cd [ 49.250442] RDX: 000055d9eaa85e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.251502] RBP: 00007ffc7933d340 R08: 0000000000000000 R09: 00007ffc7933c9e0 [ 49.252572] R10: 0000000000000000 R11: 0000000000000246 R12: 000055da05f80240 [ 49.253689] R13: 00007ffc7933d770 R14: 000055da05f89380 R15: 000055da05f94540 [ 49.254776] [ 49.255127] irq event stamp: 1821 [ 49.255659] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 49.256919] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 49.258212] softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770 [ 49.259508] softirqs last disabled at (1585): [] __irq_exit_rcu+0xc4/0x100 [ 49.260777] ---[ end trace 0000000000000000 ]--- [ 50.088044] ------------[ cut here ]------------ [ 50.089165] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.091714] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.093180] Modules linked in: [ 50.094233] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.096251] Tainted: [W]=WARN [ 50.096843] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.098334] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.099256] 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 [ 50.102474] RSP: 0018:ffff88801603fbc0 EFLAGS: 00010286 [ 50.103464] RAX: 0000000000000000 RBX: ffffed1002c07f78 RCX: ffffffff813a4050 [ 50.104776] RDX: ffff888015d51bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.106082] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c07f2f [ 50.107368] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.108663] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801603fdf8 [ 50.109965] FS: 00007fe9c8054900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.111408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.112467] CR2: 00007fe9c8546580 CR3: 000000001eff7000 CR4: 0000000000350ef0 [ 50.113764] Call Trace: [ 50.114237] [ 50.114691] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.115541] ? __create_object+0x59/0x80 [ 50.116323] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.117326] __vmalloc_noprof+0x59/0x60 [ 50.118087] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.118975] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.119939] bpf_prog_alloc+0x39/0x200 [ 50.120674] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.121635] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.122494] do_seccomp+0x349/0x25e0 [ 50.123217] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.124111] ? __pfx_do_seccomp+0x10/0x10 [ 50.124916] ? find_held_lock+0x2b/0x80 [ 50.125701] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.126666] ? static_key_count+0x60/0x80 [ 50.127427] prctl_set_seccomp+0x4e/0x70 [ 50.128213] __do_sys_prctl+0xe6c/0x1d70 [ 50.128987] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.129852] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.130834] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.131821] ? irqentry_exit+0xf3/0x650 [ 50.132559] do_syscall_64+0xbf/0x430 [ 50.133305] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.134251] RIP: 0033:0x7fe9c85465cd [ 50.134963] 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 [ 50.138156] RSP: 002b:00007ffd200cce80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.139536] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9c85465cd [ 50.140830] RDX: 00005601ca1e8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.142154] RBP: 00007ffd200ccee0 R08: 0000000000000000 R09: 00007ffd200cc580 [ 50.143463] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601edf732b0 [ 50.144755] R13: 00007ffd200cd310 R14: 00005601edf75d20 R15: 00005601edf878d0 [ 50.146077] [ 50.146503] irq event stamp: 1939 [ 50.147155] hardirqs last enabled at (1949): [] __up_console_sem+0x78/0x80 [ 50.148700] hardirqs last disabled at (1964): [] __up_console_sem+0x5d/0x80 [ 50.150245] softirqs last enabled at (1962): [] handle_softirqs+0x50c/0x770 [ 50.151807] softirqs last disabled at (1957): [] __irq_exit_rcu+0xc4/0x100 [ 50.153343] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:20684' (ECDSA) to the list of known hosts. 2025/11/18 18:54:09 fuzzer started 2025/11/18 18:54:09 dialing manager at localhost:34383 2025/11/18 18:54:09 checking machine... 2025/11/18 18:54:09 checking revisions... [ 51.025763] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:54:09 testing simple program... [ 51.101981] cgroup: Unknown subsys name 'net' [ 51.151537] cgroup: Unknown subsys name 'cpuset' [ 51.163279] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:54:08 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff85e2d2d8 RCX=ffffffff8152d723 RDX=0000000000000001 RSI=0000000000000004 RDI=ffff888009627b80 RBP=1ffff110012c4f6c RSP=ffff888009627b58 R8 =0000000000000001 R9 =ffffed10012c4f70 R10=0000000000000003 R11=0000000000000001 R12=ffffffff85e2d2e0 R13=ffffffff85e2d2e8 R14=ffffffff85e2b980 R15=ffff88806ce38152 RIP=ffffffff8152d734 RFL=00000046 [---Z-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 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007eff4dc98650 CR3=000000000d402000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=c6af5c4e390b477000000000000ae988 XMM05=4d167e027eae2ce8000000000031f360 XMM06=ecc041dcf3a6b865000000000031dd90 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000342ed 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=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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc512b8468 CR3=000000000d12c000 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=2038303a34353a383120383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038303a34353a3831203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000