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truncate spotted in mem i_size < btree i_size: 1 < 33554432
WARNING: CPU: 0 PID: 8706 at fs/bcachefs/fs-io.c:437 bchfs_truncate+0x93c/0xa74 fs/bcachefs/fs-io.c:434
Modules linked in:
CPU: 0 PID: 8706 Comm: syz-executor.3 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : bchfs_truncate+0x93c/0xa74 fs/bcachefs/fs-io.c:434
lr : bchfs_truncate+0x93c/0xa74 fs/bcachefs/fs-io.c:434
sp : ffff8000983a7320
x29: ffff8000983a7500 x28: 0000000000000001 x27: 0000000002000000
x26: ffff0000f0bcba20 x25: ffff8000983a7670 x24: ffff700013074e78
x23: ffff800091f7c000 x22: ffff0000f0bcb920 x21: ffff0000f0bcb408
x20: dfff800000000000 x19: ffff0000f0bcb3d8 x18: 1fffe000367b8996
x17: ffff80008eead000 x16: ffff800080333944 x15: 0000000000000001
x14: 1fffe000367bb590 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 111ac16adf2f0300
x8 : 111ac16adf2f0300 x7 : ffff8000802aa2c0 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80008afffb40 x0 : ffff800124fc3000
Call trace:
 bchfs_truncate+0x93c/0xa74 fs/bcachefs/fs-io.c:434
 bch2_setattr+0x198/0x230 fs/bcachefs/fs.c:882
 notify_change+0x9d4/0xc84 fs/attr.c:497
 do_truncate+0x1c0/0x28c fs/open.c:65
 handle_truncate fs/namei.c:3300 [inline]
 do_open fs/namei.c:3646 [inline]
 path_openat+0x2170/0x2830 fs/namei.c:3799
 do_filp_open+0x1bc/0x3cc fs/namei.c:3826
 do_sys_openat2+0x124/0x1b8 fs/open.c:1406
 do_sys_open fs/open.c:1421 [inline]
 __do_sys_openat fs/open.c:1437 [inline]
 __se_sys_openat fs/open.c:1432 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1432
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 262
hardirqs last  enabled at (261): [<ffff8000802aa360>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1399 [inline]
hardirqs last  enabled at (261): [<ffff8000802aa360>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5163
hardirqs last disabled at (262): [<ffff80008ae85288>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (244): [<ffff8000801e6eb8>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (244): [<ffff8000801e6eb8>] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582
softirqs last disabled at (129): [<ffff800080020de8>] __do_softirq+0x14/0x20 kernel/softirq.c:588
---[ end trace 0000000000000000 ]---