Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.433656] ------------[ cut here ]------------ [ 39.434574] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.436574] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.438052] Modules linked in: [ 39.438636] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.440616] Tainted: [W]=WARN [ 39.441239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.442726] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.443655] 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 [ 39.446829] RSP: 0018:ffff888019867bc0 EFLAGS: 00010286 [ 39.447799] RAX: 0000000000000000 RBX: ffffed100330cf78 RCX: ffffffff813a4050 [ 39.449080] RDX: ffff88800d1a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.450365] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100330cf2f [ 39.451628] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.452923] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019867df8 [ 39.454193] FS: 00007fbbbf225900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.455647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.456714] CR2: 00007fbbbf717580 CR3: 00000000143d3000 CR4: 0000000000350ef0 [ 39.458007] Call Trace: [ 39.458498] [ 39.458911] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.459807] ? __create_object+0x59/0x80 [ 39.460582] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.461584] __vmalloc_noprof+0x59/0x60 [ 39.462346] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.463240] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.464196] bpf_prog_alloc+0x39/0x200 [ 39.464916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.465865] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.466787] do_seccomp+0x349/0x25e0 [ 39.467515] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.468427] ? __pfx_do_seccomp+0x10/0x10 [ 39.469239] ? find_held_lock+0x2b/0x80 [ 39.469960] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.470925] ? static_key_count+0x60/0x80 [ 39.471715] prctl_set_seccomp+0x4e/0x70 [ 39.472504] __do_sys_prctl+0xe6c/0x1d70 [ 39.473315] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.474173] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.475146] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.476123] ? irqentry_exit+0xf3/0x650 [ 39.476854] do_syscall_64+0xbf/0x430 [ 39.477597] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.478544] RIP: 0033:0x7fbbbf7175cd [ 39.479242] 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 [ 39.482426] RSP: 002b:00007fff081a8d30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.483771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbbbf7175cd [ 39.485073] RDX: 000055ccb6356e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.486354] RBP: 00007fff081a8d90 R08: 0000000000000000 R09: 00007fff081a8430 [ 39.487664] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ccd4dd1ad0 [ 39.488962] R13: 00007fff081a91c0 R14: 000055ccd4dd2bc0 R15: 000055ccd4de3780 [ 39.490262] [ 39.490686] irq event stamp: 1713 [ 39.491332] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 39.492861] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 39.494377] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 39.495940] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 39.497443] ---[ end trace 0000000000000000 ]--- [ 42.640463] ------------[ cut here ]------------ [ 42.641379] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.643337] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.644799] Modules linked in: [ 42.645420] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.647376] Tainted: [W]=WARN [ 42.647929] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.649660] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.650638] 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 [ 42.653787] RSP: 0018:ffff8880171e7bc0 EFLAGS: 00010286 [ 42.654748] RAX: 0000000000000000 RBX: ffffed1002e3cf78 RCX: ffffffff813a4050 [ 42.656009] RDX: ffff888018689bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.657305] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3cf2f [ 42.658580] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.659842] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171e7df8 [ 42.661131] FS: 00007fef22860900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.662563] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.663634] CR2: 00007ffdbad6aef8 CR3: 000000000d3df000 CR4: 0000000000350ef0 [ 42.664927] Call Trace: [ 42.665432] [ 42.665839] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.666741] ? __create_object+0x59/0x80 [ 42.667527] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.668490] __vmalloc_noprof+0x59/0x60 [ 42.669251] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.670123] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.670999] bpf_prog_alloc+0x39/0x200 [ 42.671729] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.672634] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.673533] do_seccomp+0x349/0x25e0 [ 42.674258] ? find_held_lock+0x2b/0x80 [ 42.674962] ? do_prlimit+0x310/0x610 [ 42.675687] ? __pfx_do_seccomp+0x10/0x10 [ 42.676459] ? do_raw_spin_unlock+0x53/0x220 [ 42.677295] ? _raw_spin_unlock+0x1e/0x40 [ 42.678012] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.678973] ? static_key_count+0x60/0x80 [ 42.679821] prctl_set_seccomp+0x4e/0x70 [ 42.680589] __do_sys_prctl+0xe6c/0x1d70 [ 42.681378] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.682235] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.683200] ? irqentry_exit+0xf3/0x650 [ 42.683919] do_syscall_64+0xbf/0x430 [ 42.684663] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.685619] RIP: 0033:0x7fef22d525cd [ 42.686318] 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 [ 42.689460] RSP: 002b:00007ffdbad68f20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.690798] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fef22d525cd [ 42.692063] RDX: 00005555ea577e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.693328] RBP: 00007ffdbad68f80 R08: 0000000000000000 R09: 00007ffdbad68620 [ 42.694585] R10: 0000000000000000 R11: 0000000000000246 R12: 00005556050f1ad0 [ 42.695832] R13: 00007ffdbad693b0 R14: 00005556050f2bc0 R15: 0000555605103780 [ 42.697141] [ 42.697564] irq event stamp: 1827 [ 42.698137] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 42.699388] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 42.700630] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 42.701912] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 42.703154] ---[ end trace 0000000000000000 ]--- [ 43.347335] ------------[ cut here ]------------ [ 43.347911] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.349306] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.350272] Modules linked in: [ 43.350665] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.351990] Tainted: [W]=WARN [ 43.352393] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.353391] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.353964] 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 [ 43.356051] RSP: 0018:ffff88800db6fbc0 EFLAGS: 00010286 [ 43.356672] RAX: 0000000000000000 RBX: ffffed1001b6df78 RCX: ffffffff813a4050 [ 43.357535] RDX: ffff88800f365340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.358388] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b6df2f [ 43.359242] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.360110] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800db6fdf8 [ 43.360942] FS: 00007f0e95d9b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.361901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.362626] CR2: 00007f0e963014a6 CR3: 000000000dbc9000 CR4: 0000000000350ef0 [ 43.363477] Call Trace: [ 43.363792] [ 43.364094] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.364661] ? __create_object+0x59/0x80 [ 43.365196] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.365805] __vmalloc_noprof+0x59/0x60 [ 43.366304] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.366855] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.367478] bpf_prog_alloc+0x39/0x200 [ 43.367943] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.368562] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.369179] do_seccomp+0x349/0x25e0 [ 43.369628] ? find_held_lock+0x2b/0x80 [ 43.370127] ? do_prlimit+0x310/0x610 [ 43.370588] ? __pfx_do_seccomp+0x10/0x10 [ 43.371132] ? do_raw_spin_unlock+0x53/0x220 [ 43.371655] ? _raw_spin_unlock+0x1e/0x40 [ 43.372181] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.372799] ? static_key_count+0x60/0x80 [ 43.373326] prctl_set_seccomp+0x4e/0x70 [ 43.373809] __do_sys_prctl+0xe6c/0x1d70 [ 43.374335] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.374874] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.375524] ? irqentry_exit+0xf3/0x650 [ 43.375999] do_syscall_64+0xbf/0x430 [ 43.376497] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.377149] RIP: 0033:0x7f0e9628d5cd [ 43.377591] 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 [ 43.379682] RSP: 002b:00007ffc298ad0b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.380580] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e9628d5cd [ 43.381441] RDX: 0000559d67f4be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.382294] RBP: 00007ffc298ad110 R08: 0000000000000000 R09: 00007ffc298ac7b0 [ 43.383156] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559d71e8c2b0 [ 43.383970] R13: 00007ffc298ad540 R14: 0000559d71e8ed20 R15: 0000559d71ea08d0 [ 43.384851] [ 43.385165] irq event stamp: 1663 [ 43.385566] hardirqs last enabled at (1671): [] __up_console_sem+0x78/0x80 [ 43.386575] hardirqs last disabled at (1680): [] __up_console_sem+0x5d/0x80 [ 43.387592] softirqs last enabled at (1222): [] handle_softirqs+0x50c/0x770 [ 43.388614] softirqs last disabled at (1213): [] __irq_exit_rcu+0xc4/0x100 [ 43.389647] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28672' (ECDSA) to the list of known hosts. 2025/11/19 07:59:14 fuzzer started 2025/11/19 07:59:14 dialing manager at localhost:34383 2025/11/19 07:59:14 checking machine... 2025/11/19 07:59:14 checking revisions... [ 44.288610] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:59:14 testing simple program... [ 44.361135] cgroup: Unknown subsys name 'net' [ 44.424859] cgroup: Unknown subsys name 'cpuset' [ 44.442922] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:59:13 Registers: info registers vcpu 0 RAX=00000001000000fb RBX=ffff88806cf201b4 RCX=0000000000000830 RDX=0000000000000001 RSI=00000000000000fb RDI=ffffffff85a8dc88 RBP=0000000000000001 RSP=ffff88806ce08c70 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000000001 R11=0000000000000001 R12=1ffff1100d9c1194 R13=1ffff110012c2601 R14=ffff88806cf383c0 R15=0000000000000000 RIP=ffffffff813409ed RFL=00000012 [----A--] 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 00007fef22860900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f76430e3000 CR3=000000001e71d000 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=000000000002202b 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=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 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc08f201338 CR3=000000000e170000 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=39353a373020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323031 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000