[ 38.951155] ------------[ cut here ]------------ [ 38.952283] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.954279] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.955720] Modules linked in: [ 38.956305] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.958268] Tainted: [W]=WARN [ 38.958865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.960300] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.961214] 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 [ 38.964328] RSP: 0018:ffff88801a5c7bc0 EFLAGS: 00010286 [ 38.965295] RAX: 0000000000000000 RBX: ffffed10034b8f78 RCX: ffffffff813a4050 [ 38.966605] RDX: ffff8880166c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.967948] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034b8f2f [ 38.969213] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.970470] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a5c7df8 [ 38.971739] FS: 00007f2e9f3ec900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.973153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.974194] CR2: 00007ffd0ee83ef8 CR3: 000000000e780000 CR4: 0000000000350ef0 [ 38.975463] Call Trace: [ 38.975974] [ 38.976375] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.977271] ? __create_object+0x59/0x80 [ 38.978049] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.979017] __vmalloc_noprof+0x59/0x60 [ 38.979765] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.980628] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.981504] bpf_prog_alloc+0x39/0x200 [ 38.982223] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.983138] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.984037] do_seccomp+0x349/0x25e0 [ 38.984747] ? find_held_lock+0x2b/0x80 [ 38.985457] ? do_prlimit+0x310/0x610 [ 38.986196] ? __pfx_do_seccomp+0x10/0x10 [ 38.986991] ? do_raw_spin_unlock+0x53/0x220 [ 38.987809] ? _raw_spin_unlock+0x1e/0x40 [ 38.988534] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.989485] ? static_key_count+0x60/0x80 [ 38.990268] prctl_set_seccomp+0x4e/0x70 [ 38.991046] __do_sys_prctl+0xe6c/0x1d70 [ 38.991829] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.992662] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.993570] ? irqentry_exit+0xf3/0x650 [ 38.994332] do_syscall_64+0xbf/0x430 [ 38.995067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.996004] RIP: 0033:0x7f2e9f8de5cd [ 38.996698] 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 [ 38.999866] RSP: 002b:00007ffd0ee82b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.001204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e9f8de5cd [ 39.002449] RDX: 000055603a0dfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.003716] RBP: 00007ffd0ee82bc0 R08: 0000000000000000 R09: 00007ffd0ee82260 [ 39.004982] R10: 0000000000000000 R11: 0000000000000246 R12: 000055605d9ccad0 [ 39.006229] R13: 00007ffd0ee82ff0 R14: 000055605d9cdbc0 R15: 000055605d9de780 [ 39.007509] [ 39.007970] irq event stamp: 1777 [ 39.008572] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 39.010094] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 39.011573] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 39.012493] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 39.013401] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.615224] ------------[ cut here ]------------ [ 41.616197] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.618329] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.621339] Modules linked in: [ 41.622121] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.624227] Tainted: [W]=WARN [ 41.624852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.626403] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.627385] 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 [ 41.630746] RSP: 0018:ffff888013d9fbc0 EFLAGS: 00010286 [ 41.631771] RAX: 0000000000000000 RBX: ffffed10027b3f78 RCX: ffffffff813a4050 [ 41.633124] RDX: ffff8880164bb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.634475] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027b3f2f [ 41.635843] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.637179] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013d9fdf8 [ 41.638530] FS: 00007f9380bd5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.640058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.641187] CR2: 00007f93810c7580 CR3: 000000001f9b7000 CR4: 0000000000350ef0 [ 41.642528] Call Trace: [ 41.643089] [ 41.643521] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.644467] ? __create_object+0x59/0x80 [ 41.645303] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.646330] __vmalloc_noprof+0x59/0x60 [ 41.647152] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.648081] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.649081] bpf_prog_alloc+0x39/0x200 [ 41.649875] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.650879] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.651847] do_seccomp+0x349/0x25e0 [ 41.652571] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.653528] ? __pfx_do_seccomp+0x10/0x10 [ 41.654369] ? find_held_lock+0x2b/0x80 [ 41.655208] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.656240] ? static_key_count+0x60/0x80 [ 41.657104] prctl_set_seccomp+0x4e/0x70 [ 41.657944] __do_sys_prctl+0xe6c/0x1d70 [ 41.658794] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.659711] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.660740] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.661766] ? irqentry_exit+0xf3/0x650 [ 41.662532] do_syscall_64+0xbf/0x430 [ 41.663339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.664362] RIP: 0033:0x7f93810c75cd [ 41.665101] 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 [ 41.668283] RSP: 002b:00007fffd8222e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.669482] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93810c75cd [ 41.670639] RDX: 000055d090ee9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.671784] RBP: 00007fffd8222e70 R08: 0000000000000000 R09: 00007fffd8222510 [ 41.672908] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d09722f2b0 [ 41.674048] R13: 00007fffd82232a0 R14: 000055d097231d20 R15: 000055d0972438d0 [ 41.675202] [ 41.675567] irq event stamp: 2095 [ 41.676135] hardirqs last enabled at (2105): [] __up_console_sem+0x78/0x80 [ 41.677430] hardirqs last disabled at (2114): [] __up_console_sem+0x5d/0x80 [ 41.678729] softirqs last enabled at (2044): [] handle_softirqs+0x50c/0x770 [ 41.680033] softirqs last disabled at (2029): [] __irq_exit_rcu+0xc4/0x100 [ 41.681308] ---[ end trace 0000000000000000 ]--- [ 42.347216] ------------[ cut here ]------------ [ 42.348153] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.350213] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.351694] Modules linked in: [ 42.352281] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.354241] Tainted: [W]=WARN [ 42.354842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.356279] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.357179] 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 [ 42.360298] RSP: 0018:ffff888017bffbc0 EFLAGS: 00010286 [ 42.361261] RAX: 0000000000000000 RBX: ffffed1002f7ff78 RCX: ffffffff813a4050 [ 42.362525] RDX: ffff888016a85340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.363800] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f7ff2f [ 42.365069] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.366332] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017bffdf8 [ 42.367627] FS: 00007f90e1ef4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.369057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.370110] CR2: 00007f90e23e6580 CR3: 000000001fc0c000 CR4: 0000000000350ef0 [ 42.371397] Call Trace: [ 42.371894] [ 42.372302] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.373189] ? __create_object+0x59/0x80 [ 42.373956] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.374940] __vmalloc_noprof+0x59/0x60 [ 42.375688] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.376508] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.377435] bpf_prog_alloc+0x39/0x200 [ 42.378168] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.379093] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.379994] do_seccomp+0x349/0x25e0 [ 42.380700] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.381547] ? __pfx_do_seccomp+0x10/0x10 [ 42.382336] ? find_held_lock+0x2b/0x80 [ 42.383109] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.384051] ? static_key_count+0x60/0x80 [ 42.384845] prctl_set_seccomp+0x4e/0x70 [ 42.385565] __do_sys_prctl+0xe6c/0x1d70 [ 42.386342] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.387198] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.388149] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.389099] ? irqentry_exit+0xf3/0x650 [ 42.389853] do_syscall_64+0xbf/0x430 [ 42.390543] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.391496] RIP: 0033:0x7f90e23e65cd [ 42.392251] 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 [ 42.395501] RSP: 002b:00007fffce607e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.396853] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f90e23e65cd [ 42.398107] RDX: 000055d94dd94e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.399398] RBP: 00007fffce607ea0 R08: 0000000000000000 R09: 00007fffce607540 [ 42.400663] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d956cb72b0 [ 42.401937] R13: 00007fffce6082d0 R14: 000055d956cb9d20 R15: 000055d956ccb8d0 [ 42.403257] [ 42.403716] irq event stamp: 1727 [ 42.404309] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 42.405862] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 42.407193] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 42.408123] softirqs last disabled at (1659): [] __irq_exit_rcu+0xc4/0x100 [ 42.409040] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6073' (ECDSA) to the list of known hosts. 2025/11/18 04:20:30 fuzzer started 2025/11/18 04:20:30 dialing manager at localhost:37895 2025/11/18 04:20:30 checking machine... 2025/11/18 04:20:30 checking revisions... [ 43.408808] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:20:31 testing simple program... [ 43.497906] cgroup: Unknown subsys name 'net' [ 43.550937] cgroup: Unknown subsys name 'cpuset' [ 43.568477] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 04:20:30 Registers: info registers vcpu 0 RAX=0000000000042ffd 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=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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffa166ed010 CR3=000000000e050000 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=2039323a30323a343020383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039323a30323a3430203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff84c6afe6 RDX=000000000003c6af RSI=000000000003c6af RDI=ffffffff86fb5490 RBP=ffff88801a417a40 RSP=ffff88801a417978 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff88801a417a48 R13=ffff88801a417a30 R14=ffff88801a417a29 R15=ffff88801a4179e8 RIP=ffffffff8135e5e2 RFL=00000212 [----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 00007f9380bd5900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9380ba4008 CR3=000000001f973000 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